Base | Representation |
---|---|
bin | 111101000000011011… |
… | …1101111000101011111 |
3 | 110112011101112010022222 |
4 | 1322000313233011133 |
5 | 4121302321111221 |
6 | 140104034455555 |
7 | 12315402042401 |
oct | 1720067570537 |
9 | 415141463288 |
10 | 131011113311 |
11 | 5061a3a3571 |
12 | 214834345bb |
13 | c47b503230 |
14 | 64ab8aab71 |
15 | 361b9dc9ab |
hex | 1e80def15f |
131011113311 has 8 divisors (see below), whose sum is σ = 144370028880. Its totient is φ = 118120931712.
The previous prime is 131011113293. The next prime is 131011113323. The reversal of 131011113311 is 113311110131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131011113311 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131011113311.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131011113341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117182906 + ... + 117184023.
It is an arithmetic number, because the mean of its divisors is an integer number (18046253610).
Almost surely, 2131011113311 is an apocalyptic number.
131011113311 is a deficient number, since it is larger than the sum of its proper divisors (13358915569).
131011113311 is a wasteful number, since it uses less digits than its factorization.
131011113311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234366985.
The product of its (nonzero) digits is 27, while the sum is 17.
Adding to 131011113311 its reverse (113311110131), we get a palindrome (244322223442).
The spelling of 131011113311 in words is "one hundred thirty-one billion, eleven million, one hundred thirteen thousand, three hundred eleven".
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